What is the Greatest Common Factor of 19399 and 19418?

Greatest common factor (GCF) of 19399 and 19418 is 19.

GCF(19399,19418) = 19

We will now calculate the prime factors of 19399 and 19418, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19399 and 19418.

How to find the GCF of 19399 and 19418?

We will first find the prime factorization of 19399 and 19418. After we will calculate the factors of 19399 and 19418 and find the biggest common factor number .

Step-1: Prime Factorization of 19399

Prime factors of 19399 are 19, 1021. Prime factorization of 19399 in exponential form is:

19399 = 19¹ × 1021¹

Step-2: Prime Factorization of 19418

Prime factors of 19418 are 2, 7, 19, 73. Prime factorization of 19418 in exponential form is:

19418 = 2¹ × 7¹ × 19¹ × 73¹

Step-3: Factors of 19399

List of positive integer factors of 19399 that divides 19399 without a remainder.

1, 19, 1021

Step-4: Factors of 19418

List of positive integer factors of 19418 that divides 19399 without a remainder.

1, 2, 7, 14, 19, 38, 73, 133, 146, 266, 511, 1022, 1387, 2774, 9709

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19399 and 19418. The biggest common factor number is the GCF number.
So the greatest common factor 19399 and 19418 is 19.

Also check out the Least Common Multiple of 19399 and 19418